package com.fl.springcloud.controller;

import com.fl.springcloud.pojo.Dept;
import com.fl.springcloud.service.DeptService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

/**
 * @Description: TODO
 * @author: fulin
 * @date: 2021年04月24日 21:15
 */
//提供Restful服务
@RestController
public class DeptController {

    @Autowired
    private DeptService deptService;

    //熔断
    @HystrixCommand(fallbackMethod = "HystrixGet")
    @GetMapping("/dept/get/{id}")
    public Dept get(@PathVariable("id") Long id){
        Dept dept = deptService.queryById(id);
        if (dept == null){
            throw  new RuntimeException("id=>"+id+",不存在该用户，或者信息无法找到");
        }
        return dept;
    }

    //备选方式
    public Dept HystrixGet(@PathVariable("id") Long id){
        return new Dept()
                .setDeptno(id)
                .setDname("id=>"+id+"没有对应的信息，null--@Hystrix")
                .setDb_source("no this database in mysql");
    }
}
